2636736 has 56 divisors (see below), whose sum is σ = 7217664. Its totient is φ = 848640.

The previous prime is 2636719. The next prime is 2636759. The reversal of 2636736 is 6376362.

It is a junction number, because it is equal to n+sod(n) for n = 2636697 and 2636706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5731 + ... + 6173.

2^2636736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2636736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3608832).

2636736 is an abundant number, since it is smaller than the sum of its proper divisors (4580928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2636736 is a wasteful number, since it uses less digits than its factorization.

2636736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 479 counting only the distinct ones).

The product of its digits is 27216, while the sum is 33.

The square root of 2636736 is about 1623.8029437096. The cubic root of 2636736 is about 138.1514824703.

The spelling of 2636736 in words is "two million, six hundred thirty-six thousand, seven hundred thirty-six".